Arch. Also in It. form listello, listella. [a. F. listel, ad. It. listello, dim. of lista = LIST sb.3] A small list or fillet.
1598. R. Haydocke, trans. Lomazzo, I. xxv. 89. The vpper rule, called listello.
1664. Evelyn, trans. Frearts Archit., etc. 127. Those very small Listellos or Annulets under the Echinus of the Doric Capitel, by the Italians calld Gradetti, Degrees.
1715. Leoni, Palladios Archit. (1742), I. 16. Annulets, or Listellas.
18126. J. Smith, Panorama Sci. & Art, I. 172. A small flat face is called a fillet, or listel.
1848. trans. Hoffmeisters Trav. Ceylon & Ind., 339. The roof is formed of smooth planks, over the seams of which are laid triangular listels, to prevent the rain from penetrating.